catamite vs male child

catamite and male child both are nouns.

Word	Noun	Adjective	Verb	Adverb
catamite	Yes	No	No	No
male child	Yes	No	No	No

As nouns, male child is a hypernym of catamite; that is, male child is a word with a broader meaning than catamite:

Other hypernyms of catamite include boy.

catamite (noun)	male child (noun)
a boy who submits to a sexual relationship with a man	a youthful male person